, kentucky, tonight, good evening. >> reporter: hey, brian, to you, vice president joe biden will be there at that table, paul ryan the other table. congressman ryan comes into this debate, riding the republican wave of momentum the forward progress is what vp biden hopes to stop in its track. before taking off today, vice president joe biden was in a boxing mood, hinting he wouldn't be the one on the ropes tonight. congressman paul ryan got the rock star treatment tonight, walking the rope line, signing autographs, and posing for pictures. it is the second stage for joe biden. but many are questioning just which joe biden will show up. the emotional guy next door type. >> i don't know what it is like to have a child you're not sure is going to make it. >> reporter: or the feisty guy. they are going to put you back in chains >> i mean, this guy just is not bright he was not at his best last week against mitt romney in denver, the president admitted. there was pressure to score, the maryland congressman played the part of ryan in six mock debates, detailed down to a set. actin